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#include "pthread_windows.h"
#include <Windows.h>
struct _pthread_t
{
HANDLE thread;
};
struct _pthread_cond_t
{
HANDLE event;
};
struct _pthread_mutex_t
{
HANDLE mutex;
};
struct StdCallThread
{
void *(__cdecl *start) (void *);
void *arg;
};
DWORD WINAPI
ThreadProc (LPVOID lpParameter)
{
struct StdCallThread st = *((struct StdCallThread*) lpParameter);
free (lpParameter);
st.start (st.arg);
return 0;
}
int
pthread_create (pthread_t *pt,
const void *attr,
void *(__cdecl *start)(void *),
void *arg)
{
pthread_t pt_ = (pthread_t) malloc (sizeof(struct _pthread_t));
if (NULL == pt_)
return 1;
struct StdCallThread *sct;
sct = (struct StdCallThread*) malloc (sizeof(struct StdCallThread));
if (NULL == sct)
{
free (pt_);
return 1;
}
sct->start = start;
sct->arg = arg;
pt_->thread = CreateThread (NULL, 0, ThreadProc, sct, 0, NULL);
if (NULL == pt_->thread)
{
free (sct);
free (pt_);
return 1;
}
*pt = pt_;
return 0;
}
int
pthread_detach (pthread_t pt)
{
if (pt)
{
CloseHandle (pt->thread);
free (pt);
}
return 0;
}
int
pthread_join (pthread_t pt,
void **value_ptr)
{
if (NULL == pt)
return 1;
if (value_ptr)
{
*value_ptr = NULL;
}
WaitForSingleObject (pt->thread, INFINITE);
CloseHandle (pt->thread);
free (pt);
return 0;
}
int
pthread_mutex_init (pthread_mutex_t *mutex,
const void *attr)
{
pthread_mutex_t mutex_ = (pthread_mutex_t) malloc (sizeof(struct
_pthread_mutex_t));
if (NULL == mutex_)
return 1;
mutex_->mutex = CreateMutex (NULL, FALSE, NULL);
if (NULL == mutex_->mutex)
{
free (mutex_);
return 1;
}
*mutex = mutex_;
return 0;
}
int
pthread_mutex_destroy (pthread_mutex_t *mutex)
{
if (NULL == mutex)
return 1;
if ((NULL == *mutex) || (PTHREAD_MUTEX_INITIALIZER == *mutex))
return 0;
CloseHandle ((*mutex)->mutex);
free (*mutex);
*mutex = NULL;
return 0;
}
int
pthread_mutex_lock (pthread_mutex_t *mutex)
{
if (NULL == mutex)
return 1;
if (NULL == *mutex)
return 1;
if (PTHREAD_MUTEX_INITIALIZER == *mutex)
{
int ret = pthread_mutex_init (mutex, NULL);
if (0 != ret)
return ret;
}
if (WAIT_OBJECT_0 != WaitForSingleObject ((*mutex)->mutex, INFINITE))
return 1;
return 0;
}
int
pthread_mutex_unlock (pthread_mutex_t *mutex)
{
if (NULL == mutex)
return 1;
if ((NULL == *mutex) || (PTHREAD_MUTEX_INITIALIZER == *mutex))
return 1;
if (0 == ReleaseMutex ((*mutex)->mutex))
return 1;
return 0;
}
int
pthread_cond_init (pthread_cond_t *cond,
const void *attr)
{
pthread_cond_t cond_ = (pthread_cond_t) malloc (sizeof(struct
_pthread_cond_t));
if (NULL == cond_)
return 1;
cond_->event = CreateEvent (NULL, FALSE, FALSE, NULL);
if (NULL == cond_->event)
{
free (cond_);
return 1;
}
*cond = cond_;
return 0;
}
int
pthread_cond_destroy (pthread_cond_t *cond)
{
if (NULL == cond)
return 1;
if ((NULL == *cond) || (PTHREAD_COND_INITIALIZER == *cond))
return 1;
CloseHandle ((*cond)->event);
free (*cond);
return 0;
}
int
pthread_cond_wait (pthread_cond_t *cond,
pthread_mutex_t *mutex)
{
if ((NULL == cond) || (NULL == mutex))
return 1;
if ((NULL == *cond) || (NULL == *mutex))
return 1;
if (PTHREAD_COND_INITIALIZER == *cond)
{
int ret = pthread_cond_init (cond, NULL);
if (0 != ret)
return ret;
}
if (PTHREAD_MUTEX_INITIALIZER == *mutex)
{
int ret = pthread_mutex_init (mutex, NULL);
if (0 != ret)
return ret;
}
ReleaseMutex ((*mutex)->mutex);
if (WAIT_OBJECT_0 != WaitForSingleObject ((*cond)->event, INFINITE))
return 1;
if (WAIT_OBJECT_0 != WaitForSingleObject ((*mutex)->mutex, INFINITE))
return 1;
return 0;
}
int
pthread_cond_signal (pthread_cond_t *cond)
{
if (NULL == cond)
return 1;
if ((NULL == *cond) || (PTHREAD_COND_INITIALIZER == *cond))
return 1;
if (0 == SetEvent ((*cond)->event))
return 1;
return 0;
}
int
pthread_cond_broadcast (pthread_cond_t *cond)
{
return pthread_cond_signal (cond);
}
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